public class Student {
    private String id;
    private String name;
    public String getId() {return id;}
    public void setId(String id) {this.id = id;}
    public String getName() {return name;}
    public void setName(String name) {this.name = name;}
    public Integer getAge() {return age;}

    public void setAge(Integer age) {this.age = age;}
    private Integer age;
    public Student(){
    }
    public Student(String id, String name, Integer age) {
        this.id = id;
        this.name = name;
        this.age = age;
    }
}
